<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="../dist/css/bootstrap.min.css">
  <link rel="stylesheet" href="../dist/bootstrap-icons.css">
  <title>标题样式</title>
</head>
<body>

  <h1>h1 一级标题</h1>
  <h2>h2 二级标题</h2>
  <h3>h3 三级标题</h3>
  <h4>h4 四级标题</h4>
  <h5>h5 五级标题</h5>
  <h6>h6 六级标题</h6>
</body>
</html>